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Finding the Fourth Proportional to 135,000.36, 202,500.54 and 105,373.80

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Solution

The fourth proportional to 135,000.36, 202,500.54 and 105,373.80 is: 158,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,000.36 : 202,500.54 = 105,373.80 : x
  2. Step 2: Convert to fraction form
    135,000.36/202,500.54 = 105,373.80/x
  3. Step 3: Cross multiply
    135,000.36x = 202,500.54 × 105,373.80
  4. Step 4: Simplify right side
    135,000.36x = 21,338,251,401.85
  5. Step 5: Solve for x
    x = 21,338,251,401.85/135,000.36
  6. Step 6: Final answer
    x = 158,060.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.